You could try flashrom to flash the bios. DWYOR.
qflash would reject 3.0 bios cause its a different bios. you could try to flash 3.0 bios by using flashrom (read annex section), or try this flashefi under dos:
Flashefi.rar (2.7 MB)
extract .rar file, go to flash flashefi folder and run Flashefi_autoexec.bat, or make a Freedos boot drive, and copy the bios file and flashefi.exe to the freedos drive, boot to dos, type flashefi.exe 970AD33.FEi and see if flash efi could flash the file.